1134120191 has 2 divisors, whose sum is σ = 1134120192. Its totient is φ = 1134120190.

The previous prime is 1134120161. The next prime is 1134120233. The reversal of 1134120191 is 1910214311.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1134120191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1134120121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 567060095 + 567060096.

It is an arithmetic number, because the mean of its divisors is an integer number (567060096).

Almost surely, 2^1134120191 is an apocalyptic number.

1134120191 is a deficient number, since it is larger than the sum of its proper divisors (1).

1134120191 is an equidigital number, since it uses as much as digits as its factorization.

1134120191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 23.

The square root of 1134120191 is about 33676.7010112333. The cubic root of 1134120191 is about 1042.8448340620.

It can be divided in two parts, 1134120 and 191, that added together give a palindrome (1134311).

The spelling of 1134120191 in words is "one billion, one hundred thirty-four million, one hundred twenty thousand, one hundred ninety-one".